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-rw-r--r--camel/camel-charset-map.c308
1 files changed, 0 insertions, 308 deletions
diff --git a/camel/camel-charset-map.c b/camel/camel-charset-map.c
index fd530165ed..ff63f86844 100644
--- a/camel/camel-charset-map.c
+++ b/camel/camel-charset-map.c
@@ -203,7 +203,6 @@ void main(void)
#include <string.h>
#include <ctype.h>
#include <glib.h>
-#include <e-util/e-msgport.h>
#ifdef ENABLE_THREADS
#include <pthread.h>
#endif
@@ -211,157 +210,6 @@ void main(void)
#include <alloca.h>
#endif
-#define cd(x) /* 'cache debug' */
-
-#ifdef ENABLE_THREADS
-static pthread_mutex_t iconv_charsets_lock = PTHREAD_MUTEX_INITIALIZER;
-#define ICONV_CHARSETS_LOCK() pthread_mutex_lock (&iconv_charsets_lock)
-#define ICONV_CHARSETS_UNLOCK() pthread_mutex_unlock (&iconv_charsets_lock)
-#else
-#define ICONV_CHARSETS_LOCK()
-#define ICONV_CHARSETS_UNLOCK()
-#endif /* ENABLE_THREADS */
-
-struct _iconv_cache_node {
- EDListNode ln;
-
- iconv_t ip;
-};
-
-struct _iconv_cache {
- EDListNode ln;
-
- char *conv;
-
- EDList inuse; /* opened ic's in use - if both these lists empty == failed to open conversion */
- EDList free; /* opened ic's free */
-};
-
-#define CAMEL_ICONV_CACHE_SIZE (16)
-
-static EDList iconv_cache_list;
-
-static GHashTable *iconv_charsets = NULL;
-static char *locale_charset = NULL;
-
-struct {
- char *charset;
- char *iconv_name;
-} known_iconv_charsets[] = {
- /* charset name, iconv-friendly charset name */
- { "iso-8859-1", "iso-8859-1" },
- { "iso8859-1", "iso-8859-1" },
- /* the above mostly serves as an example for iso-style charsets,
- but we have code that will populate the iso-*'s if/when they
- show up in camel_charset_map_to_iconv() so I'm
- not going to bother putting them all in here... */
- { "windows-cp1251", "cp1251" },
- { "windows-1251", "cp1251" },
- { "cp1251", "cp1251" },
- /* the above mostly serves as an example for windows-style
- charsets, but we have code that will parse and convert them
- to their cp#### equivalents if/when they show up in
- camel_charset_map_to_iconv() so I'm not going to bother
- putting them all in here either... */
- { "ks_c_5601-1987", "euc-kr" },
- { NULL, NULL }
-};
-
-
-static void
-shutdown_foreach (gpointer key, gpointer value, gpointer data)
-{
- g_free (key);
- g_free (value);
-}
-
-static void
-flush_iconv_entry(struct _iconv_cache *ic)
-{
- struct _iconv_cache_node *node;
-
- cd(printf("Flushing iconv cache entry: %s\n", ic->conv));
-
- while ( (node = (struct _iconv_cache_node *)e_dlist_remhead(&ic->inuse)) ) {
- iconv_close(node->ip);
- g_free(node);
- }
- while ( (node = (struct _iconv_cache_node *)e_dlist_remhead(&ic->free)) ) {
- iconv_close(node->ip);
- g_free(node);
- }
- g_free(ic->conv);
- g_free(ic);
-}
-
-static void
-camel_charset_map_shutdown (void)
-{
- struct _iconv_cache *ic, *in;
-
- g_hash_table_foreach (iconv_charsets, shutdown_foreach, NULL);
- g_hash_table_destroy (iconv_charsets);
- g_free (locale_charset);
-
- ic = (struct _iconv_cache *)iconv_cache_list.head;
- in = (struct _iconv_cache *)ic->ln.next;
- while (in) {
- flush_iconv_entry(ic);
- ic = in;
- in = (struct _iconv_cache *)in->ln.next;
- }
-}
-
-void
-camel_charset_map_init (void)
-{
- char *locale;
- int i;
-
- if (iconv_charsets)
- return;
-
- iconv_charsets = g_hash_table_new (g_strcase_hash, g_strcase_equal);
- for (i = 0; known_iconv_charsets[i].charset != NULL; i++) {
- g_hash_table_insert (iconv_charsets, g_strdup (known_iconv_charsets[i].charset),
- g_strdup (known_iconv_charsets[i].iconv_name));
- }
-
- e_dlist_init(&iconv_cache_list);
-
- locale = setlocale (LC_ALL, NULL);
-
- if (!locale || !strcmp (locale, "C") || !strcmp (locale, "POSIX")) {
- /* The locale "C" or "POSIX" is a portable locale; its
- * LC_CTYPE part corresponds to the 7-bit ASCII character
- * set.
- */
-
- locale_charset = NULL;
- } else {
- /* A locale name is typically of the form language[_terri-
- * tory][.codeset][@modifier], where language is an ISO 639
- * language code, territory is an ISO 3166 country code, and
- * codeset is a character set or encoding identifier like
- * ISO-8859-1 or UTF-8.
- */
- char *p;
- int len;
-
- p = strchr (locale, '@');
- if (p == NULL)
- p = strchr (locale, '/'); /* This is a hack for Solaris systems */
-
- len = p ? (p - locale) : strlen (locale);
- if ((p = strchr (locale, '.'))) {
- locale_charset = g_strndup (p + 1, len - (p - locale) + 1);
- g_strdown (locale_charset);
- }
- }
-
- g_atexit (camel_charset_map_shutdown);
-}
-
void
camel_charset_init (CamelCharset *c)
{
@@ -444,161 +292,5 @@ camel_charset_best (const char *in, int len)
return camel_charset_best_name (&charset);
}
-const char *
-camel_charset_locale_name (void)
-{
- return locale_charset;
-}
-
-const char *
-camel_charset_to_iconv (const char *name)
-{
- const char *charset;
-
- if (name == NULL)
- return NULL;
-
- ICONV_CHARSETS_LOCK ();
- charset = g_hash_table_lookup (iconv_charsets, name);
- if (!charset) {
- /* Attempt to friendlyify the charset */
- char *new_charset, *p;
- int len;
-
- if (!g_strncasecmp (name, "iso", 3) && name[3] != '-' && name[3] != '_') {
- /* Hack to convert charsets like ISO8859-1 to iconv-friendly ISO-8859-1 */
- len = strlen (name);
- new_charset = g_malloc (len + 2);
- memcpy (new_charset, name, 3);
- new_charset[3] = '-';
- memcpy (new_charset + 4, name + 3, len - 3);
- new_charset[len + 1] = '\0';
- } else if (!g_strncasecmp (name, "windows-", 8)) {
- /* Convert charsets like windows-1251 and windows-cp1251 to iconv-friendly cp1251 */
- new_charset = (char *) name + 8;
- if (!g_strncasecmp (new_charset, "cp", 2))
- new_charset += 2;
-
- for (p = new_charset; *p && isdigit ((unsigned) *p); p++);
- if (*p == '\0')
- new_charset = g_strdup_printf ("cp%s", new_charset);
- else
- new_charset = g_strdup (name);
- } else {
- /* *shrug* - add it to the hash table just the way it is? */
- new_charset = g_strdup (name);
- }
-
- g_hash_table_insert (iconv_charsets, g_strdup (name), new_charset);
- charset = new_charset;
- }
- ICONV_CHARSETS_UNLOCK ();
-
- return charset;
-}
-
-iconv_t camel_charset_iconv_open(const char *oto, const char *ofrom)
-{
- const char *to, *from;
- char *tofrom;
- struct _iconv_cache *ic, *icnew = NULL;
- struct _iconv_cache_node *node;
- iconv_t ip;
-
- to = camel_charset_to_iconv(oto);
- from = camel_charset_to_iconv(ofrom);
- tofrom = alloca(strlen(to) +strlen(from) + 1);
- sprintf(tofrom, "%s%s", to, from);
-
- ICONV_CHARSETS_LOCK();
- ic = (struct _iconv_cache *)iconv_cache_list.head;
- while (ic->ln.next) {
- if (!strcasecmp(ic->conv, tofrom))
- break;
- ic = (struct _iconv_cache *)ic->ln.next;
- }
-
- if (ic->ln.next == NULL) {
- int extra = e_dlist_length(&iconv_cache_list) - CAMEL_ICONV_CACHE_SIZE;
- struct _iconv_cache *old = (struct _iconv_cache *)iconv_cache_list.head,
- *next = (struct _iconv_cache *)old->ln.next;
-
- /* flush any 'old' entries out, if we can */
- while (extra>0 && next) {
- if (e_dlist_empty(&old->inuse)) {
- e_dlist_remove(&old->ln);
- flush_iconv_entry(old);
- extra--;
- }
- old = next;
- next = (struct _iconv_cache *)old->ln.next;
- }
-
- icnew = ic = g_malloc(sizeof(*ic));
- e_dlist_init(&ic->inuse);
- e_dlist_init(&ic->free);
- ic->conv = g_strdup(tofrom);
- } else {
- e_dlist_remove(&ic->ln);
- }
-
- node = (struct _iconv_cache_node *)e_dlist_remhead(&ic->free);
- if (node) {
- cd(printf("Returning cached success of: %s to %s\n", from, to));
- e_dlist_addhead(&ic->inuse, &node->ln);
- ip = node->ip;
- } else {
- if (e_dlist_empty(&ic->inuse) && icnew == NULL) {
- cd(printf("returning cached failure of conversion: %s to %s\n", from, to));
- ip = (iconv_t)-1;
- } else {
- ip = iconv_open(to, from);
- if (ip != (iconv_t)-1) {
- cd(printf("Creating cached opening of: %s to %s = %p\n", from, to, ip));
- node = g_malloc(sizeof(*node));
- node->ip = ip;
- e_dlist_addhead(&ic->inuse, &node->ln);
- }
- }
- }
-
- e_dlist_addtail(&iconv_cache_list, &ic->ln);
-
- ICONV_CHARSETS_UNLOCK();
-
- return ip;
-}
-
-void camel_charset_iconv_close(iconv_t ip)
-{
- struct _iconv_cache *ic;
- struct _iconv_cache_node *node;
-
- if (ip == (iconv_t)-1)
- return;
-
- ICONV_CHARSETS_LOCK();
- ic = (struct _iconv_cache *)iconv_cache_list.tailpred;
- while (ic->ln.prev) {
- cd(printf("closing iconv %p, checking against name '%s'\n", ip, ic->conv));
- node = (struct _iconv_cache_node *)ic->inuse.head;
- while (node->ln.next) {
- cd(printf("closing iconv %p, checking against node '%p'\n", ip, node->ip));
- if (node->ip == ip) {
- e_dlist_remove(&node->ln);
- e_dlist_addhead(&ic->free, &node->ln);
- ICONV_CHARSETS_UNLOCK();
- return;
- }
- node = (struct _iconv_cache_node *)node->ln.next;
- }
- ic = (struct _iconv_cache *)ic->ln.prev;
- }
-
- ICONV_CHARSETS_UNLOCK();
-
- g_warning("Trying to close iconv i dont know about: %p", ip);
-}
-
#endif /* !BUILD_MAP */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 12:43:20 +0800